Opana

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:7865
http://www.hmdb.ca/metabolites/HMDB0015323
http://www.genome.jp/dbget-bin/www_bget?drug:D08323
http://www.genome.jp/dbget-bin/www_bget?cpd:C08019
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5284604
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505296
https://www.chemspider.com/Chemical-Structure.4447650.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50001707
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7814
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=7865
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL963
https://zinc.docking.org/substances/ZINC000003875483
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001138
http://www.pharmgkb.org/drug/PA450748
http://www.rxlist.com/cgi/generic2/oxymorphone.htm
https://www.drugs.com/cdi/oxymorphone.html
https://en.wikipedia.org/wiki/Oxymorphone